Last updated: August 21, 2025
December in Chang'an, China is characterized by a moderate climate, where temperatures fluctuate significantly. The maximum temperature reaches a pleasant 19°C (66°F), while the average rests at 7°C (45°F), dipping to a brisk minimum of -4°C (25°F). This month sees 37 mm (1.5 in) of rainfall spread over approximately 7 days, contributing to a humidity level of 78% that adds to the cool, crisp air. As winter settles in, visitors can expect a blend of refreshing days and chilly nights, perfect for enjoying the unique charm of the season in this historic city.
As December settles in Chang'an, temperatures begin to reflect the chill of winter, with a minimum of -4°C (25°F) and an average of 7°C (45°F). This stark shift from the milder autumn months highlights a gradual decline in warmth, transitioning smoothly from November's average of 13°C (57°F). While the daytime can still reach a comfortable 19°C (66°F), evenings become notably brisk, inviting the local community to embrace cozy indoor gatherings. As the year draws to a close, residents and visitors alike can expect a refreshing but chilly atmosphere, perfect for enjoying seasonal festivities amid the stunning backdrop of this historic city.
As December arrives in Chang'an, the city experiences a notable decrease in precipitation, with only 37 mm (1.5 in) of rain over just 7 days. This marks a significant drop from the wetter months preceding it, where May and June reach peaks of 237 mm (9.3 in) and 226 mm (8.9 in) respectively. The transition from the abundant rainfall of mid-year to the drier conditions of late autumn and winter is clear, with December standing out as one of the driest months. With the sharp decline in both total precipitation and rainy days, this month heralds a period of relative calm, perfect for enjoying the crisp winter air and the serene beauty of the season.
As the year draws to a close, December in Chang'an, China, presents a humidity level of 78%, indicating a slight dip from the higher levels experienced in the late autumn months. Throughout the year, humidity tends to increase steadily, peaking at 89% in July. The months of April to August showcase the region's most humid conditions, maintaining an impressive range of 85% to 89%. Following the summer, a gradual decline occurs, with September dropping to 66%, marking the most significant change. This pattern of fluctuating humidity illustrates the shift from a warm, moist climate in the summer to a cooler, more stable environment as winter approaches. Overall, December wraps up the year with relatively high humidity, keeping a sense of moisture that lingers as the cold months set in.
In December, the UV Index in Chang'an, China drops to a moderate level of 4, allowing for a more leisurely outdoor experience with an extended burn time of 30 minutes before sun protection is necessary. This decrease contrasts sharply with the extreme levels seen in the summer months, when indices peaked at 12, demanding heightened caution against sun exposure. The transition from a summer of intense UV radiation—from June through August, where burn times were as brief as 10 minutes—to the milder winter months highlights the significant seasonal variations in UV exposure. As we head into the year-end, residents can enjoy the sun's rays with a reduced risk of skin damage, making it a great time for outdoor activities. For a detailed overview of the UV Index throughout the year, visit Chang'an UV Index.
UV Risk Categories
December in Chang'an, China, embraces a delightful tapestry of sunshine, offering 202 hours of radiant light. As the year winds down, this month reflects a trend of diminishing daylight, yet still enjoys significant brightness. Notably, December’s sunshine follows a remarkable crescendo during the summer months, peaking with 298 hours in July and 314 hours in August. As we transition into winter, the gentle decline from the sunniest summer days creates a serene ambiance, allowing residents to cherish the softer illumination. While the daylight may be less than the sun-drenched peaks of mid-year, December's sunshine remains a warm embrace amid the crisp winter air, inviting reflection on the year that has passed.
In December, Chang'an, China, experiences a noteworthy 58% chance of sunny weather, marking a shift towards brighter days as the year draws to a close. This figure stands out compared to the preceding months, particularly following November's relatively high 54% likelihood of sunshine. While the earlier months show a general decline in sunlit days, December’s promise of clearer skies offers a refreshing contrast. Notably, the uptick aligns with a seasonal pattern where the tail end of the year tends to brighten, setting the stage for the winter months. As such, December emerges not only as a transitional period but also as one where residents can look forward to a higher propensity for sunny, cheerful days.
In Chang'an, China, the progression of daylight duration throughout the year reveals distinct seasonal trends that create a rhythmic passage of time. Starting with about 10 hours in January, daylight gradually increases, peaking at 13 hours during the vibrant summer months of May to August. This duration offers the longest days, ideal for outdoor activities and enjoying the beauty of nature. As autumn arrives, daylight gently tapers off, dropping back to 10 hours by December, mirroring the darkening evenings and cooler temperatures. This cyclical pattern not only marks the changing seasons but also reflects the harmonious relationship between nature and daily life in Chang'an.
As December unfolds in Chang'an, China, the city experiences a gentle average wind speed of 2.3 m/s (5 mph), a subtle reminder of the season's transition. This consistency in wind patterns is evident throughout the year, with speed variations generally remaining modest. The spring months of March and April see a slight uptick to 2.4 m/s, while the peak of summer in July reaches a brisk 2.6 m/s (6 mph), hinting at the warm breezes that sweep through the region. Interestingly, the autumn months show a dip, particularly in November and December, where winds return to their familiar, calm pace. Overall, the winds in Chang'an are a constant companion, weaving through the fabric of seasonal changes, inviting the community to embrace the cool tranquillity of winter.
Weather in Chang'an varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chang'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit notable differences in weather patterns. December tends to be slightly warmer, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 19°C (66°F), while January experiences cooler temperatures, with a minimum of -7°C (20°F) and an average of 5°C (42°F). Additionally, precipitation increases in January, totaling 62 mm (2.5 in) over 8 days compared to December's 37 mm (1.5 in) over 7 days. The humidity also drops from 78% in December to 69% in January, contributing to the overall chilly feel of the latter month. For a more detailed comparison of January weather in Chang'an, visit Chang'an weather in January.
In December, temperatures range from a minimum of -4°C (25°F) to a maximum of 19°C (66°F), with an average temperature of 7°C (45°F). The month sees about 37 mm (1.5 in) of precipitation over 7 days, contributing to a relatively high humidity level of 78%. In contrast, February experiences slightly warmer weather, with temperatures still reaching a minimum of -4°C (25°F) but climbing higher to a maximum of 26°C (79°F) and an average temperature of 7°C (46°F). February also has increased rainfall, totaling 88 mm (3.5 in) over 12 days, and a drop in humidity to 71%. For detailed weather information, you can visit Chang'an weather in February.
December and March exhibit quite distinct weather patterns. In December, temperatures tend to be cooler, ranging from a low of -4°C (25°F) to a high of 19°C (66°F), with an average of 7°C (45°F). The month sees moderate precipitation of 37 mm (1.5 in) over about 7 days, and humidity levels are relatively comfortable at 78%. In contrast, March experiences a more significant warming trend, with temperatures ranging from a low of 3°C (38°F) to a high of 29°C (84°F) and an average of 13°C (56°F). Precipitation rises notably to 156 mm (6.1 in), occurring over 16 days, while humidity increases slightly to 83%. This shift marks March as a more vibrant and unpredictable month, shedding its winter cloak for the anticipation of spring. For a closer look at the specifics of March weather, you can check Chang'an weather in March.
December and April showcase distinctly different weather patterns. In December, temperatures range from a chilly -4°C (25°F) at night to a mild 19°C (66°F) during the day, with an average of 7°C (45°F). The month sees about 37 mm (1.5 in) of precipitation over roughly 7 days, accompanied by 78% humidity, creating a cool and somewhat damp atmosphere. In contrast, April brings significantly warmer conditions, with nighttime lows of 6°C (43°F) and daytime highs reaching up to an impressive 33°C (91°F), averaging around 18°C (64°F). The month is considerably wetter, experiencing 169 mm (6.7 in) of precipitation over 14 days, while humidity increases to 86%. This shift from December's coolness to April's warmth is indicative of the transition into spring. For more detailed information, visit Chang'an weather in April.
December and May present strikingly different weather experiences. In December, temperatures range from a chilly -4°C (25°F) at night to a mild 19°C (66°F) during the day, with an average of 7°C (45°F). The month is characterized by relatively low precipitation of 37 mm (1.5 in) over 7 days and moderate humidity at 78%. In contrast, May brings a much warmer climate, with temperatures ranging from a minimum of 12°C (54°F) to a scorching maximum of 34°C (93°F), averaging 22°C (73°F). However, this warmer weather comes with significantly higher rainfall, totaling 237 mm (9.3 in) spread across 15 days and higher humidity levels at 85%. For a deeper look into weather trends during May, check out Chang'an weather in May.
December and June present distinctly different weather patterns. In December, temperatures can dip as low as -4°C (25°F) and usually average around 7°C (45°F), while the maximum reaches 19°C (66°F). The month sees relatively little precipitation at 37 mm (1.5 in) over about 7 days, with humidity levels at 78%. In stark contrast, June features much warmer temperatures, with a minimum of 17°C (63°F) and an average of 26°C (79°F), peaking at a sweltering 35°C (95°F). Additionally, June experiences significantly higher rainfall, totaling 226 mm (8.9 in) over 17 days, along with increased humidity at 85%. For a detailed look at June weather in the region, check out Chang'an weather in June.
December and July present starkly contrasting weather conditions. In December, temperatures range from a chilly minimum of -4°C (25°F) to a mild maximum of 19°C (66°F), with an average temperature of 7°C (45°F). The month experiences relatively low rainfall, totaling 37 mm (1.5 in) over about 7 days, with humidity levels at 78%. In contrast, July is characterized by much higher temperatures, with a minimum of 22°C (71°F) and a soaring maximum of 39°C (103°F), averaging around 29°C (84°F). This peak summer month is marked by significant precipitation of 224 mm (8.8 in) over approximately 14 days and higher humidity at 89%. For more detailed insights, visit Chang'an weather in July.
December and August present stark contrasts in weather conditions. In December, temperatures range from a chilly -4°C (25°F) to a mild 19°C (66°F), with an average of 7°C (45°F) and relatively low precipitation of 37 mm (1.5 in) over 7 days. The humidity sits at a comfortable 78%, making it a crisp month. In contrast, August brings warmth with temperatures soaring from a minimum of 20°C (68°F) to a scorching maximum of 38°C (100°F) and an average of 29°C (85°F). This month is marked by significantly higher rainfall, totaling 158 mm (6.2 in) across 14 days, and a humidity level of 85%. Therefore, while December invites a cool, crisp atmosphere, August is characterized by intense heat and moisture. For more details on August weather, check Chang'an weather in August.
In December, the weather is significantly cooler compared to September, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 19°C (66°F) and an average of 7°C (45°F). The month tends to be relatively dry, receiving about 37 mm (1.5 in) of precipitation over approximately 7 days, along with a higher humidity level of 78%. In contrast, September experiences much warmer conditions, with temperatures ranging from a minimum of 17°C (62°F) to a scorching maximum of 37°C (99°F) and an average of 25°C (77°F). This month sees a greater amount of rainfall, approximately 128 mm (5.0 in), falling over 11 days, while humidity is lower at 66%. For more detailed insight into the September weather, check out Chang'an weather in September.
When comparing the weather in December and October, there are notable differences in temperature and precipitation. December tends to be much cooler, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 19°C (66°F), while October sees milder conditions with temperatures between 10°C (50°F) and a high of 36°C (97°F). Additionally, October experiences higher precipitation levels, with 59 mm (2.3 in) over 9 days compared to December's 37 mm (1.5 in) across 7 days. Humidity levels are also slightly higher in December at 78%, compared to 68% in October. For further details on October weather, you can check Chang'an weather in October.
December typically experiences cooler temperatures compared to November, with a minimum of -4°C (25°F) and an average of 7°C (45°F), whereas November has a milder minimum of 3°C (37°F) and an average of 13°C (57°F). The maximum temperatures in December reach up to 19°C (66°F), which is significantly lower than November's peak of 26°C (80°F). Precipitation in December is less frequent, with 37 mm (1.5 in) over 7 days, compared to November's higher total of 55 mm (2.2 in) across 8 days. Despite the slight increase in humidity during December at 78%, it remains relatively stable when compared to November's 77%. For more detailed insights, you can visit Chang'an weather in November.
In December, Chang'an experiences a significant shift in weather compared to other months, marked by a notable chill as temperatures dip to average lows of 7°C. While daytime highs can reach up to 19°C, the nights can bring frosty conditions with temperatures plummeting to -4°C. The humidity lingers at a relatively high 78%, contributing to a damp feel throughout the month. With approximately 37 mm of precipitation spread over 7 days, December often greets visitors with a mix of rain and overcast skies. This changing climatic scene invites a unique charm, making it a fascinating period to explore. For more detailed insights on the weather patterns, visit Chang'an Climate.